2005347836 has 12 divisors (see below), whose sum is σ = 3510680712. Its totient is φ = 1002296208.

The previous prime is 2005347797. The next prime is 2005347853. The reversal of 2005347836 is 6387435002.

It is a self number, because there is not a number n which added to its sum of digits gives 2005347836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82310 + ... + 103853.

It is an arithmetic number, because the mean of its divisors is an integer number (292556726).

Almost surely, 2^2005347836 is an apocalyptic number.

It is an amenable number.

2005347836 is a deficient number, since it is larger than the sum of its proper divisors (1505332876).

2005347836 is a wasteful number, since it uses less digits than its factorization.

2005347836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188860 (or 188858 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2005347836 is about 44781.1102586794. The cubic root of 2005347836 is about 1261.0430256559.

The spelling of 2005347836 in words is "two billion, five million, three hundred forty-seven thousand, eight hundred thirty-six".